Pack of Speed Cubes 3x3x3 set: The speed cubes set includes 6 packs of 56mm speed cubes 3x3x3.Standard size and stickless surfaces are suitable for beginners and professional players. Durable and Easy Smooth Turning: The 3x3x3 speed cube uses an improved design of internal structure and smooth corner-cutting for faster and easy smooth turning. Anti-POP and Adjustable Design: Upgrade anti-pop structure prevent pop out when the 3x3x3 speed cube fast turning. Each side of the speed cube is adjustable based on personal needs. Safety and Quality: The 3x3x3 speed cubes are made of top-grade recyclable ABS plastic materials. Safe for children and good for the environment. Gifts for All ages: Puzzle toy is good gift choice for all age. For children, it improves abilities of logical thinking and problem-solving. For adults, it is easy to carry and reduce stress. The speed cubes set includes 6 packs of 56mm speed cubes 3x3x3. Standard size and stickless surfaces are suitable for beginners and professional players. 56mm cube is easy to hold and play. 65g lightweight cube is good for a long hour of practice and playing.